25 Best Free Online SEO Tools

This is my fifth post in this series. It is a handy list, a one stop shop if you like, of the best Free online SEO tools. Search Engine Optimization is the process of improving the volume or quality of traffic to a Website from search engines via natural search results. While there are many expensive SEO tools, you will be happy to know that there are also many free SEO tools. I have used and extensively analyzed many of the free online SEO tools and below are my favorites. All links are External.

I would like to emphasize that all the tools listed below are:

  1. Free.
  2. Web-based or Online. No desktop tools or Mozilla Firefox add-ons.
  3. in my opinion, the best.

Hover over each image or link for a short description about each tool. Enjoy!

Keyword Research Tools

Website Health Check Tools

Links & Backlinks Tools

Ranking Tools

Search Engine Spider Viewer

Compare Different Search Engine Results

Various Multiple Tools

This section lists reputable Websites that offer various SEO and Webmaster tools.

Bonus Tools

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About the Author |
Boutros is a professional Drupal & WordPress developer, Web developer, Web designer, Software Engineer and Blogger. He strives for pixel perfect design, clean robust code, and user-friendly interface. If you have a project in mind and like his work, feel free to contact him. Connect with Boutros on Twitter, and LinkedIn.
Visit Boutros AbiChedid Website.

9 Responses to “25 Best Free Online SEO Tools”

  1. FlorenceDrag says:

    Great article! I love the Google Adword tool. I’ve been using that and I usually partner it with other tool like Colibri, Majestic or SEOquake.

  2. kasser says:

    Good and nice post…….

    Thanks & regards

  3. Raven says:

    Thanks! Great list of tools. If we talk about seo, I’ve got one more non-instalation tool which is worth mentioning – Colibri tool. They have GA integration, keyword suggestions, backlinks checker, conversion memasurements, goals and more :)

  4. steve serps says:

    Nice list of resources, some I new some I have never heard of, nice one.

  5. Michelle Potter says:

    Thank you for providing this thorough list of SEO resources.

  6. qualitypoint says:

    Really nice and very helpful.

  7. Ginger says:


    I came across your blog ‘organically’ and your content surpassed my expectations. You truly have provided exactly what is needed “at a glance.” While I’m using some of these tools currently you identified others that I’ll check out and share with colleagues. Thank you.

  8. Antonio says:

    Hi! This is a really impressive blog!
    I was fortunate to find your blog. Also I learn a lot in your website. Thank you very much. I will come again.

  9. Great list. I am also using some of these tools and would also recommend them especially for newbie SEOs. The others that I don’t, I will certainly try. Thanks for sharing.